ZHANG Tai-hua1,2,GU Xin-jian1,YE Zuo-liang3,HU Hao1(1.Institution of Modern Manufacturing Engineering,Zhejiang University,Hangzhou 310027,China;2.College of Mechanical and Electrical Engineering,Guizhou Normal University,Guiyang 550014,China;3.School of Business Administration,Southwest University of Finance and Economics,Chengdu 610074,China)